robobun 21c3439bb4 fix: clean up ESM registry when require() of ESM module fails (#27288) ...

## Summary

- When `require()` loads an ESM module (`.mjs`) that throws during
evaluation, the module was removed from `requireMap` but left in the ESM
registry (`Loader.registry`) in a partially-initialized state
- A subsequent `import()` of the same module would find this corrupt
entry and throw `ReferenceError: Cannot access 'foo' before
initialization` instead of re-throwing the original evaluation error
- Fix by also deleting the module from `Loader.registry` in both
`overridableRequire` and `requireESMFromHijackedExtension` when ESM
evaluation fails, allowing `import()` to re-evaluate from scratch

Closes #27287

## Test plan

- [x] Added regression test in `test/regression/issue/27287.test.ts`
- [x] Verified test fails with system bun (`USE_SYSTEM_BUN=1`)
- [x] Verified test passes with `bun bd test`
- [x] Manual verification: `require()` correctly throws original error,
`import()` now re-throws the same error instead of `ReferenceError`

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Alistair Smith <alistair@anthropic.com>

2026-02-20 17:08:50 -08:00

..

fixtures

fix(test): eliminate external HTTPS fetches and renew expired TLS certs (#27013)

2026-02-13 20:45:06 -08:00

issue

fix: clean up ESM registry when require() of ESM module fails (#27288)

2026-02-20 17:08:50 -08:00

brotli-reset-leak.test.ts

fix: memory leaks in error-handling code for Brotli, Zstd, and Zlib compression state machines (#25592)

2025-12-18 21:42:14 -08:00

issue23966.test.ts

Fix Buffer.isEncoding('') to return false (#23968)

2025-10-22 16:15:29 -07:00